Financing Accelerates Business Growth in the Japanese Market with Participation from U.S. Headquarters, Key Customers, and Partners

NUVVE JAPAN K.K. ("NVJ"), a leading provider of energy management and Vehicle-to-Grid (V2G) solutions and a subsidiary of U.S.-based Nuvve Holding Corp., announced today it has completed a fundraising round of 200 million JPY through the issuance of JKISS-style stock acquisition rights for the 2026 fiscal year. The funds raised will be used to strengthen personnel structures to support rapid growth and to expand office facilities in line with the scaling of business operations.

NVJ has been developing energy solutions in Japan centered on BESS and V2G (Vehicle-to-Grid) technology. With this new capital, NVJ will focus its investments on the following areas:

Personnel Structure: Recruitment of engineers and business development professionals to support business expansion.
IPO Preparatory Office: Accelerate Public Listing in the Japanese Market
Office Expansion: Scale regional bases to accommodate organizational growth and maximize operational efficiency.

Participation from investors in Japan and North America will further solidify operational collaborations and accelerate market penetration.

About NUVVE JAPAN K.K.

NUVVE JAPAN provides energy solutions optimized for the Japanese market, powered by the world's most advanced V2G platform from U.S.-based Nuvve Holding Corp. NVJ supports municipalities and corporations in their decarbonization efforts, acting as a key resource aggregator to stabilize the power grid and promote a carbon-neutral society.

About Nuvve Holding Corp.

Nuvve powers the future of flexible energy by turning batteries, electric vehicles (EV), buildings, and distributed assets into dynamic grid resources. At the core is Nuvve's advanced platform for intelligent energy management and vehicle-to-grid (V2G), orchestrating real-time bidirectional charging, load optimization, and grid services. By harnessing an ecosystem of electrification partners, fleets, stationary storage, and smart EV chargers, Nuvve helps utilities and communities unlock flexibility at scale — enhancing reliability, accelerating electrification, and lowering costs. Nuvve enables a clean energy future where mobility, buildings, and infrastructure work together to support a more resilient, sustainable, and equitable grid. Headquartered in San Diego, California, Nuvve operates globally and online at nuvve.com.

Forward-Looking Statements

This press release contains forward-looking statements or forward-looking information within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements may be identified by the use of forward-looking terms such as "may," "will," "expects," "believes," "aims," "anticipates," "plans," "looking forward to," "estimates," "projects," "assumes," "guides," "targets," "forecasts," "continue," "seeks" or the negatives of such terms or other variations on such terms or comparable terminology, although not all forward-looking statements contain such identifying words. Forward-looking statements include, but are not limited to, statements regarding the expected timing of recently announced projects, anticipated growth of various business areas, and other statements that are not historical facts. Nuvve cautions you that these forward-looking statements are subject to numerous risks and uncertainties, most of which are difficult to predict and many of which are beyond the control of Nuvve. Such statements are based upon the current beliefs and expectations of management and are subject to significant risks and uncertainties that could cause actual outcomes and results to differ materially. Some of these risks and uncertainties can be found in Nuvve's most recent Annual Report on Form 10-K and subsequent periodic reports filed with the Securities and Exchange Commission (SEC). These factors should not be construed as exhaustive and should be read in conjunction with the other cautionary statements that are included in the Nuvve's filings with the SEC. Such forward-looking statements speak only as of the date made, and Nuvve disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. Readers of this press release are cautioned not to place undue reliance on these forward-looking statements, since there can be no assurance that these forward-looking statements will prove to be accurate. This cautionary statement is applicable to all forward-looking statements contained in this press release.

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Media Contact:

Paulo Acuña

310.824.9000

pacuna@olmsteadwilliams.com

NUVVE JAPAN (NVJ) Raises 200 Million Yen via JKISS-style Convertible Equity